199748140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4139}}^1$

素因数の和:4294

約数の個数: 48

約数和(自身を含む): 445132800

約数和(自身を除く): 245384660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 1270, 2413, 2540, 4139, 4826, 8278, 9652, 12065, 16556, 20695, 24130, 41390, 48260, 78641, 82780, 157282, 314564, 393205, 525653, 786410, 1051306, 1572820, 2102612, 2628265, 5256530, 9987407, 10513060, 19974814, 39949628, 49937035, 99874070, 199748140]

約数ペア:

[(1, 199748140), (2, 99874070), (4, 49937035), (5, 39949628), (10, 19974814), (19, 10513060), (20, 9987407), (38, 5256530), (76, 2628265), (95, 2102612), (127, 1572820), (190, 1051306), (254, 786410), (380, 525653), (508, 393205), (635, 314564), (1270, 157282), (2413, 82780), (2540, 78641), (4139, 48260), (4826, 41390), (8278, 24130), (9652, 20695), (12065, 16556)]